Home / 90,464.24-124,839.83-50,178.08

Finding the Fourth Proportional to 90,464.24, 124,839.83 and 50,178.08

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Solution

The fourth proportional to 90,464.24, 124,839.83 and 50,178.08 is: 69,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464.24 : 124,839.83 = 50,178.08 : x
  2. Step 2: Convert to fraction form
    90,464.24/124,839.83 = 50,178.08/x
  3. Step 3: Cross multiply
    90,464.24x = 124,839.83 × 50,178.08
  4. Step 4: Simplify right side
    90,464.24x = 6,264,223,414.47
  5. Step 5: Solve for x
    x = 6,264,223,414.47/90,464.24
  6. Step 6: Final answer
    x = 69,245.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.